Hire the Best
RxJS Developers
Check out RxJS developers on Upwork, with the skills you need for your next job.
Trusted by 
Vimal B.
Surat, India
โญโญโญโญโญ ๐ง๐ข๐ฃ-๐ฅ๐๐ง๐๐ ๐ฃ๐๐จ๐ฆ ๐จ๐ง ๐๐ฉ๐ฐ๐จ๐ซ๐ค
โญโญโญโญโญ ๐๐๐ซ๐ญ๐ข๐๐ข๐๐ ๐๐๐ฏ๐๐ฌ๐๐ซ๐ข๐ฉ๐ญ ๐๐๐ฏ๐๐ฅ๐จ๐ฉ๐๐ซ
โญโญโญโญโญ ๐๐๐ซ๐ญ๐ข๐๐ข๐๐ ๐๐ง๐ ๐ฎ๐ฅ๐๐ซ ๐๐๐ฏ๐๐ฅ๐จ๐ฉ๐๐ซ
โญโญโญโญโญ ๐+ ๐๐๐๐ซ๐ฌ ๐จ๐ ๐๐ฑ๐ฉ๐๐ซ๐ข๐๐ง๐๐
โญโญโญโญโญ ๐๐๐๐+ ๐๐จ๐ฎ๐ซ๐ฌ ๐๐จ๐ซ๐ค๐๐
โญโญโญโญโญ $๐๐๐๐ ๐๐๐ซ๐ง๐ข๐ง๐ ๐จ๐ง ๐๐ฉ๐ฐ๐จ๐ซ๐ค
๐โโ๏ธ ๐๐ฒ ๐๐จ๐ซ๐ค๐ข๐ง๐ ๐๐ซ๐จ๐๐๐ฌ๐ฌ:
๐ Listen to your needs
๐ Prepare Flow chart
๐ Provide suggestions
๐ Divide work in phases
๐ Prepare Sketch/Wireframe
๐ Designing Frontend
๐ Developing Backend
๐ Quality Assurance
๐ Get Feedback
๐ Unlimited Revision
๐ Lifetime Support
๐ 100% Satisfaction
๐โโ๏ธ ๐๐ง๐๐ฎ๐ฌ๐ญ๐ซ๐ข๐๐ฌ ๐'๐ฆ ๐๐ซ๐จ๐๐ข๐๐ข๐๐ง๐ญ ๐ข๐ง:
โ
ERP and CRM System
โ
Saas Product
โ
Healthcare
โ
Real Estate
โ
Tour & Travel
โ
Financial App
โ
Educational Portal
โ
Recruitment Agency
โ
Online Food Delivery App
โ
Multivendor E-commerce Store
๐โโ๏ธ ๐๐ฒ ๐๐จ๐ซ๐ ๐๐ค๐ข๐ฅ๐ฅ๐ฌ ๐๐ง๐ ๐๐ฑ๐ฉ๐๐ซ๐ญ๐ข๐ฌ๐:
๐ ๐๐ฒ ๐๐๐๐ค๐๐ง๐ ๐๐ค๐ข๐ฅ๐ฅ๐ฌ:
๐ Node.js - JavaScript runtime for backend
๐ Express.js - Web app framework for Node
๐ Nest.js - Framework for Node with TypeScript
๐ Next.js - Framework for universal React apps
๐ ๐๐ฒ ๐
๐ซ๐จ๐ง๐ญ๐๐ง๐ ๐๐ค๐ข๐ฅ๐ฅ๐ฌ:
๐ React - Library for building UIs
๐ Angular - Full framework for building UIs
๐ TypeScript - Typed superset of JavaScript
๐ ๐๐๐ญ๐๐๐๐ฌ๐๐ฌ:
๐ MongoDB - NoSQL database
๐ PostgreSQL - Object-relational SQL database
๐ MySQL - Object-relational SQL database
๐ DynamoDB - NoSQL database service
๐ ๐๐ ๐๐ข๐๐ซ๐๐ซ๐ข๐๐ฌ:
๐ Tailwind CSS - Utility-first CSS framework
๐ Material UI - React components library
๐ Ant Design - React components library
๐ Chakra UI - Modular React UI components
๐ ๐๐ญ๐๐ญ๐ ๐๐๐ง๐๐ ๐๐ฆ๐๐ง๐ญ ๐๐ง๐ ๐๐ฎ๐ญ๐ก๐๐ง๐ญ๐ข๐๐๐ญ๐ข๐จ๐ง:
๐ Redux/Redux-Thunk - Centralized state management
๐ React Context API - Internal state management
๐ NgRx - State management for Angular
๐ Auth0 - Authentication as a service
๐ ๐
๐จ๐ซ๐ฆ๐ฌ ๐๐ง๐ ๐๐๐ฅ๐ข๐๐๐ญ๐ข๐จ๐ง:
๐ React Hook Form - Forms library
๐ Formik - Forms library
๐ Yup - Form validation
๐ ๐๐๐๐ฅ-๐ญ๐ข๐ฆ๐ ๐๐จ๐ฆ๐ฆ๐ฎ๐ง๐ข๐๐๐ญ๐ข๐จ๐ง ๐๐ง๐ ๐๐๐ฌ๐ฌ๐๐ ๐ข๐ง๐ :
๐ GraphQL - Query language for APIs
๐ Socket.io - Realtime communication
๐ MQTT - Lightweight messaging protocol
๐ ๐๐๐ญ๐ ๐๐ซ๐ข๐๐ฌ ๐๐ง๐ ๐๐ข๐ฌ๐ฎ๐๐ฅ๐ข๐ณ๐๐ญ๐ข๐จ๐ง:
๐ Ag-Grid - Data grid component
๐ Chart.js - Charting library
๐ ApexCharts - Charting library
๐ ๐๐๐ญ๐ ๐๐๐ง๐๐ฅ๐ข๐ง๐ ๐๐ง๐ ๐๐๐ญ๐๐๐๐ฌ๐๐ฌ:
๐ TypeORM - ORM for SQL/NoSQL databases
๐ Redis - In-memory data store
๐ ๐๐๐ฌ๐ข๐ ๐ง ๐๐จ๐จ๐ฅ๐ฌ:
๐ Figma - Prototyping tool
๐ Adobe XD - Prototyping tool
๐ ๐
๐ข๐ซ๐๐๐๐ฌ๐:
๐ Firebase Firestore
๐ Firebase Realtime Database
๐ Firebase Cloud Storage
๐ Firebase Cloud Functions
๐ Firebase Authentication
๐ Firebase App Check
๐ Firebase Hosting
๐ ๐๐๐ ๐๐๐ซ๐ฏ๐ข๐๐๐ฌ:
๐ AWS S3
๐ AWS SES
๐ AWS SNS
๐ AWS Amplify
๐ AWS EC2
๐ AWS RDS
๐ AWS Lambda Functions
๐ Google Cloud
๐ ๐๐๐ฏ๐๐ง๐๐๐ ๐๐ค๐ข๐ฅ๐ฅ๐ฌ:
๐ PWA Support (Service Worker)
๐ i18n (Localization / Multi-Language Support)
๐ Real-time Update Capabilities
๐ Two-Factor Authentication (2FA)
๐ Role-Based Access Control (RBAC)
๐ ๐๐ฒ ๐๐๐ฌ๐ญ๐ข๐ง๐ ๐๐ซ๐จ๐๐๐ฌ๐ฌ:
๐ Functional testing
๐ Integration testing
๐ Regression testing
๐ User acceptance testing (UAT)
๐ Usability testing
๐ Unit testing with Karma and Jasmine
๐ E2E testing with Cypress
๐ ๐๐จ๐๐ข๐ฅ๐ ๐๐ฉ๐ฉ๐ฅ๐ข๐๐๐ญ๐ข๐จ๐ง ๐๐๐ฏ๐๐ฅ๐จ๐ฉ๐ฆ๐๐ง๐ญ
๐ Android App
๐ IOS App
๐ Backend Development
๐โโ๏ธ ๐๐ก๐ฒ ๐๐ก๐จ๐จ๐ฌ๐ ๐๐?
๐. ๐๐ฅ๐ข๐๐ง๐ญ-๐๐๐ง๐ญ๐ซ๐ข๐ ๐๐ฉ๐ฉ๐ซ๐จ๐๐๐ก: Unlike many freelancers who treat their work as mere transactions, I prioritize communication and collaboration. I understand the importance of comprehending your needs and those of your end-users. By actively listening to your requirements, I can develop a tailored product that not only saves you time and money but also maximizes the return on investment.
๐. ๐๐ฑ๐ฉ๐๐ซ๐ญ๐ข๐ฌ๐ ๐ญ๐ก๐๐ญ ๐๐๐ญ๐ญ๐๐ซ๐ฌ: With an impressive track record of over 50+ Javascript projects, I possess in-depth knowledge and experience. I've encountered and resolved numerous challenges in the development of enterprise applications and complex features. I can also provide quality deliverables with 100% code coverage, unit tests and e2e testing to build and manage applications at scale.
๐. ๐๐ง๐๐จ๐ฆ๐ฉ๐ซ๐จ๐ฆ๐ข๐ฌ๐ข๐ง๐ ๐๐ง๐ญ๐๐ ๐ซ๐ข๐ญ๐ฒ: I'm committed to delivering exceptional value for your investment. My philosophy revolves around creating win-win situations for my clients. I go the extra mile to ensure that your products not only meet but exceed your expectations, driving tangible results.
If you're interested in learning more about how I can assist you, don't hesitate to reach out. Let's connect and discuss how I can turn your web development challenges into opportunities for success.
Wishing you a productive day ahead!
Best regards,
Vimal Bhalani
- RESTful API
- GraphQL
- Next.js
- Angular
- Node.js
- MongoDB
- React
- Angular 10
- Amazon Web Services
- Angular 9
- Web Development
- Angular 2
- NodeJS Framework
- NestJS
- Redux
Roman B.
Odesa, Ukraine
I am Full Stack JavaScript developer working with:
12+ years ofโ โdevelopment using html, css, javascript, angular, nodejs, etc.
8+ years of system administration, linux and windows servers, AWS, GCP, etc.
- JavaScript
- Node.js
- Angular
- CSS
- MongoDB
- Amazon Web Services
- TypeScript
- HTML
- Google Cloud Platform
- NativeScript
Noam B.
Bnei Brak, Israel
Senior Full-Stack web engineer with a 11+ years of experience.
๐ช Performance | ๐ป Responsive | ๐ Pixel Perfect | ๐ Web App
JS | TS | Angular | React | Node.JS | MEAN | MERN | Firebase | AWS
- RxJS
- Web Application
- Git
- Node.js
- Angular
- TypeScript
- JavaScript
- HTML5
- Next.js
- NestJS
- Electron
- Figma
- Firebase
- API
Aakash K.
Indore, India
9+ years of creative design and development experience. I am a strong believer in pixel-perfect code, effective communication, teamwork, and a can-do attitude. I seek first to understand by listening, asking questions, strategizing plans, executing with precision, delivering high-quality results, and gaining the trust and long-term partnership of clients.
I can guide your project through the entire design process: from analysis to wireframes, to interactive prototypes, and finally to user-friendly interfaces that are both beautiful and efficient.
โญ๏ธ Are you looking for a combination of an Excellent Designer, Front-End Developer, and AI Developer for your team? Here I Am!
Specialization:
โ
Angular 2+, React.js, Angular material, NgRX, redux, Node.Js
โ
Figma, Photoshop, Illustrator, InDesign, After Effects, Experience Design
โ
Web Design, Mobile designs, web development, Emails Design
โ
Frontend Development (PSD to HTML) for mockup designs
โ
HTML5, CSS3, Tailwind CSS, JS, Jquery
โ
AWS, AWS EC2, S3, Docker, Kubernetes
โ
Pug, SASS, BEM
โ
Jekyll
โ
HTML & CSS for Outlook (emails)
โ
gulp, grunt
โ
git
๐ก AI Development & Integration:
โ
OpenAI (ChatGPT API), LangChain, Pinecone, Vector Databases
โ
AI Chatbot Development (Custom-trained on business data)
โ
Prompt Engineering & Conversational UX
โ
AI-augmented UI/UX workflows (e.g., smart form autofill, content suggestions)
โ
AI tools integration with frontend frameworks (React, Angular)
โ
API orchestration with AI-powered microservices
Tools:
โข Wireframing: Figma, Adobe XD
โข Prototyping: InVision, Adobe XD
โข Communication: Slack, Skype, Google Meet, Keybase, Upwork Messaging
โข Project Management: Jira, Trello, Asana, and more
โข Adobe Master Suite: Photoshop, Experience Design, Illustrator, After Effects
I am friendly, easy-going, and passionate about what I do, so if you are in need of UI/ UX design, Full stack development or frontend development help or just want to say "Hi", don't hesitate to contact me.
๐ Clients: ๐
My clients range from start-ups to big multinational corporations and I have experience in working with diverse industries such as real estate, health, and medical, Technology, Finance, Retail, Crypto, Law and etc.
๐ What sets me apart? ๐
โ๏ธReputation: 95% of clients recommend me and 50%+ did repeat business with me.
โ๏ธ Quality: Standing out in today's saturated markets is the key. Get better conversion rates, brand positioning, and superb client experience.
โ๏ธ Efficiency: Usually, my rate is more efficient.
โ๏ธ Impeccable work ethic: Everything is delivered on time and within budget.
๐ I excel at creating: ๐
โ๏ธWebsites, web applications, software, product designs & Landing Pages
โ๏ธ Dashboard analytics apps, product development
โ๏ธAuthentic Visual Identities & Design Systems
- UI/UX Prototyping
- Software Design
- Mobile UI Design
- Mobile App
- Figma
- Angular
- Material Design
- Web Application
- React
- Node.js
- Python
- Software Development
- PHP
Ismar B.
Zivinice, Bosnia and Herzegovina
โญโญโญโญโญ Senior Angular Developer with 6+ years of experience delivering scalable, high-performing web solutions. Specializing in Angular and frontend architecture, I excel at building structured, maintainable codebases, optimizing app performance, and improving SEO.
โ
Angular Expert: 6+ years of experience with the Angular ecosystem, including Nx, RxJs, NgXs, NgRx, and SSR for scalable and efficient applications.
โ
Project Track Record: Completed 40+ large-scale and small-scale projects.
โ
Performance Optimization: Skilled in enhancing app performance to 100% on Lighthouse reports.
โ
Clean Code and Architecture: A strong advocate for maintainable, scalable, and testable code with a focus on SOLID principles and best practices.
โ
UI/UX Excellence: A CSS/SCSS ninja with expertise in PrimeNG, Angular Material, and Bootstrap for clean, responsive, and visually engaging designs.
โ
Backend Expertise: Skilled in Node.js (Express.js, NestJS), ensuring smooth API integrations and backend performance.
Working with me, you will:
๐ก Get scalable, easy-to-maintain solutions that are optimized for long-term growth.
๐ก Partner with an experienced founder who has built and sold SaaS apps, providing valuable insights into turning ideas into thriving businesses.
๐ก Benefit from a dedicated architect who can lead projects from inception to completionโsolo or in a team.
๐ก Get advice on scaling, profitability, app features, and strategic growth tailored to your business goals.
๐ก Work with the owner of two successful SaaS apps, Vela and Vela-Tube, bringing proven experience and hunger for delivering results.
๐ก Utilize the latest in Angular, Node.js, databases, and cloud services to stay ahead of the competition.
Letโs turn your vision into reality. Whether you need a high-performing Angular app, a scalable backend, or a complete end-to-end solution, Iโm here to help. With a proven track record of delivering exceptional results, leading successful projects, and building SaaS startups, I bring the expertise and dedication to elevate your business.
Let's create something amazing togetherโreach out, and let's get started! ๐
- RxJS
- Angular
- TypeScript
- JavaScript
- SCSS
- Bootstrap
- Node.js
- HTML5
- CSS 3
- Angular Material
- RESTful API
- NestJS
- MongoDB
Volodymyr L.
Kharkov, Ukraine
Senior Software Engineer with 10 years of experience in full-stack software development, specializing in the creation of highly complex web applications. His expertise lies in CRM development, where he focuses on using RESTful APIs, design patterns, and Agile practices to build robust and scalable solutions.
Throughout his career, Volodymyr has been dedicated to designing APIs with Node.js and MongoDB or MySQL database architectures, emphasizing modularity and scalability. He has a strong ability to design systems from scratch, manage planning processes, and drive team performance improvements. One of his significant achievements was increasing team performance by 30% by implementing Agile and Scrum practices and enhancing code quality by 15% through the use of automated tools.
As a self-learner, Volodymyr is always eager to acquire new skills and knowledge. This drive has led him to explore and integrate AI technologies into the development process, significantly speeding up the creation of new applications. His keen interest in system design and application architecture motivates him to continually find innovative ways to deliver functionality effectively.
He is passionate about optimizing workflows and processes to achieve the best possible outcomes. His experience in full-stack development includes both front-end and back-end technologies, allowing him to approach problems with a comprehensive perspective. He has a track record of delivering high-quality software that meets user needs and exceeds expectations.
Volodymyr's technical skills encompass a wide range of technologies, including JavaScript, TypeScript, CSS, HTML, Angular, NgRx, React, Redux, RxJs, Lodash, Bootstrap, Moment.js, Node.js, Nest.js, Express.js, Chart.js, JEST, Jasmine, Karma, Mocha, Chai, Sinon, Cypress, Socket.IO, GraphQL, MongoDB, MySQL, PostgreSQL, MariaDB, Redis, Nginx, AWS, Lambda, S3, EC2, Firebase, Heroku, Docker, Git, RabbitMQ, Digital Ocean, REST, SonarQube, SonarCloud, Microservice Architecture, PWA, XSS, SSL, Figma, Zeplin, Balsamiq, Unit Testing, and AI.
Volodymyr's goal is to continue leveraging his skills and experience to build efficient, scalable, and user-friendly applications. He is always in search of new challenges and opportunities to grow, both personally and professionally. By staying abreast of industry trends and continually honing his expertise, he strives to remain at the forefront of software engineering and contribute to the success of the projects he works on.
My strongest skills are:
โ
TypeScript, Angular, Node.js
โ
Redux, NgRx, RxJs (rx.js)
โ
REST API
โ
MongoDB/MySQL
โ
AWS, AWS Lambda
โ
Docker
โ
GraphQL
โ
Microservice architecture
- JavaScript
- Redux
- Docker
- AJAX
- TypeScript
- Angular
- Node.js
- AWS Lambda
- Architecture
- MySQL
- PostgreSQL
- CRM Development
- CRM Software
- React
- React Native
How it works
Post a job for free Post a job
Tell us what you need. Create your own job post or generate one with AI then filter talent matches.
Hire top talent fast
Consult, interview, and hire quickly, so you can meet the freelancers you're excited about.
Collaborate easily
Use Upwork to chat or video call, share files, and track project progress right from the app.
Payment simplified
Manage payments in one place with flexible billing options. Only pay for approved work, hourly or by milestone.
Don't just take our word for it
โUpwork provides an umbrella-level of security. I can see a talentโs work history and ratings. I can hold payments in escrow. I can communicate through Upwork Messages instead of working through my email address.โ
Kim Darling
Emerald Tiger
โUpwork is the best platform to hire skilled professionals when we're not looking for a full-time employee. All the companies in our portfolio use Upwork to find talent across a wide range of fields.โ
David Merry
Kinetic Investments
โOur very specific requirements can be a challengeโ With Upwork, weโre able to access a bigger community to ensure the success of our projects.โ
Katja Krohn
Summa Linguae